HG/T 20592  法兰 PL 600-6 RF

pl600-6RF

3 RF 700-0.6 δ0=5

WN 300-150 RF sch80

WN 150-150 RF22�@RF@4- s=3

3 FM 900-4.0

WN 450-150 RF Sc

WN 300-150 RF sch40

3 CRF 700-0.6 δ0=5

Bl450b-40rf42.5/60-

PL 350(B)-16 RFquot;-150 RF154.5/T 4FC=-¿SRF0RF55Kt0-0.25h@B WN1000-150 RF7 d=9 S